This advice might not be PC but if you are concerned about sexism or classism impacting your business, you could always make it difficult to discern what your class/gender is. For a web based business like the one you are running.

I'm also not clear on what I would get for $30. If is end you my resume will you send me back notes on? Make modifications? Because its not clearly defined I have to assume that you fully understand what needs to be done to my resume.